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The effects of invasive Eurasian milfoil, Myriophyllum spicatum, on community structure and trophic interactions of estuarine fishes.

Dataset extent

The objectives of study are to determine the extent to which the presence of Myriophyllum spicatum has altered community structure and the intensity of predator-prey interactions in the Mobile Tensaw Delta (MTD) estuary. This study tested the hypothesis that the presence of Myriophyllum spicatum has triggered a shift in the composition and relative abundances of estuarine predators and their prey as well as trophic exchanges between these predators and their prey. To conduct this evaluation, I compared measures of habitat utilization, community structure, and predator foraging efficiency among the dominant native submerged aquatic vegetation (SAV) species (in terms of areal coverage), Vallisneria neotropicalis and either Heteranthera dubia or Ceratophyllum demersum, found in the MTD and the exotic Myriophyllum spicatum.

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Additional Info

Field Value
Author Dr. John Valentine
Maintainer data@disl.org
Last Updated July 23, 2022, 03:03 (UTC)
Created July 23, 2022, 03:03 (UTC)
Access_Constraints Permission to access these data must be given by Dr. John Valentine or Charles Martin.
Place Keywords Gulf of Mexico, Mobile Tensaw Delta, Mobile Bay, Alabama
Theme Keywords invasive species, exotic species, submerged aquatic vegetation, Eurasian milfoil, trophic interactions, estuary, fishes, predator, prey, causeway, throw traps
Use_Constraints Acknowledgment of The Dauphin Island Sea Lab, The John Valentine Lab, The Alabama Environmental Legacy and The Alabama Center for Estuarine Studies (ACES) is required in products developed from these data, and such acknowledgment as is standard for citation and legal practices for data source is expected by users of these data. Users should be aware that comparison with other data sets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in mapping conventions, data collection, and computer processes over time. The distributor shall not be liable for improper or incorrect use of these data, based on the description of appropriate/inappropriate uses described in the metadata document. These data are not legal documents and are not to be used as such.
dc.contributor Charles Martin
dc.coverage.placeName Gulf of Mexico Mobile Tensaw Delta Mobile Bay Alabama
dc.coverage.t.max 20061005T
dc.coverage.t.min 20060705T
dc.coverage.x.max -87.93643
dc.coverage.x.min -87.99823
dc.coverage.y.max 30.73202
dc.coverage.y.min 30.67676
dc.creator Charles Martin
dc.date Unpublished material
dc.description The objectives of study are to determine the extent to which the presence of Myriophyllum spicatum has altered community structure and the intensity of predator-prey interactions in the Mobile Tensaw Delta (MTD) estuary. This study tested the hypothesis that the presence of Myriophyllum spicatum has triggered a shift in the composition and relative abundances of estuarine predators and their prey as well as trophic exchanges between these predators and their prey. To conduct this evaluation, I compared measures of habitat utilization, community structure, and predator foraging efficiency among the dominant native submerged aquatic vegetation (SAV) species (in terms of areal coverage), Vallisneria neotropicalis and either Heteranthera dubia or Ceratophyllum demersum, found in the MTD and the exotic Myriophyllum spicatum.
dc.language en
dc.source The effects of invasive Eurasian milfoil, Myriophyllum spicatum, on community structure and trophic interactions of estuarine fishes.By Charles Martin
dc.subject invasive species exotic species submerged aquatic vegetation Eurasian milfoil trophic interactions estuary fishes predator prey causeway throw traps
dc.title The effects of invasive Eurasian milfoil, Myriophyllum spicatum, on community structure and trophic interactions of estuarine fishes.
dc.type spreadsheet
spatial { "type": "Polygon", "coordinates": [ [ [ -87.99823, 30.73202 ], [ -87.93643, 30.73202 ], [ -87.93643, 30.67676 ], [ -87.99823, 30.67676 ], [ -87.99823, 30.73202 ] ] ] }